Home / 19,390.22-26,761.41-11,840.93

Finding the Fourth Proportional to 19,390.22, 26,761.41 and 11,840.93

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Solution

The fourth proportional to 19,390.22, 26,761.41 and 11,840.93 is: 16,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.22 : 26,761.41 = 11,840.93 : x
  2. Step 2: Convert to fraction form
    19,390.22/26,761.41 = 11,840.93/x
  3. Step 3: Cross multiply
    19,390.22x = 26,761.41 × 11,840.93
  4. Step 4: Simplify right side
    19,390.22x = 316,879,848.70
  5. Step 5: Solve for x
    x = 316,879,848.70/19,390.22
  6. Step 6: Final answer
    x = 16,342.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.